Evidence map›Paper›PMID 41767643›Full record

ArticleEmergency medicine international2026

Left-Side Versus Right-Side Lateral Tilt During Maternal CPR: Effects on Compression Quality and Rescuer Fatigue.

Chia-Lung Kao, Jui-Yi Tsou, Ming-Yuan Hong, Chih-Jan Chang, Fong-Chin Su, Chih-Hsien Chi

Abstract read
In one paragraph

Article in Emergency medicine international, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Chia-Lung KaoDepartment of Emergency Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan, ncku.edu.tw.ORCID https://orcid.org/0000-0001-6491-8898
Jui-Yi TsouDepartment of Physical Therapy, Fooyin University, Kaohsiung, Taiwan, fy.edu.tw.
Ming-Yuan HongDepartment of Emergency Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan, ncku.edu.tw.
Chih-Jan ChangDepartment of Emergency Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan, ncku.edu.tw.
Fong-Chin SuDepartment of Biomedical Engineering, National Cheng Kung University, Tainan, Taiwan, ncku.edu.tw.
Chih-Hsien ChiDepartment of Emergency Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan, ncku.edu.tw.ORCID https://orcid.org/0000-0002-5076-782X

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Maternal cardiac arrest presents unique challenges due to physiological changes in pregnancy. Left lateral tilt (LLT) is commonly recommended to relieve aortocaval compression, but its impact on chest compression quality remains unclear. Objectives: This study evaluates chest compressions performed in the LLT position from both the right and left sides to determine if they meet high quality cardiopulmonary resuscitation standards. Methods: This randomized crossover study included 44 healthcare providers performing two-minute chest compressions' sessions on a manikin in the LLT position from both right and left sides. Compression depth, rate, recoil, force distribution, rescuer fatigue, and physiological parameters were analyzed. Results: Both approaches maintained adequate compression rates, but left-side LLT chest compressions achieved better depth (41.23 ± 9.11 mm vs. 35.50 ± 9.54 mm, Conclusion: Left-side LLT chest compression provides superior compression depth and recoil compared with right-side LLT chest compression. However, neither method consistently meets high quality cardiopulmonary resuscitation standards. These findings support the 2015 AHA guideline preference for manual uterine displacement over LLT chest compression. Further research is needed to optimize maternal cardiac arrest management.

Indexed as

biomechanical studyleft lateral tilt chest compressionmanikin studymaternal cardiac arrestpregnant CPR

Identifiers

PMID41767643
PMCPMC12936698

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.